Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11679611 | Hand-operated stamp having a tilting element | — | 2023-06-20 |
| 11247500 | Turning device | Norbert Riedl | 2022-02-15 |
| 8302530 | Stamp | Peter Zindl, Ronald Kreilhuber | 2012-11-06 |
| D614688 | Handstamp | Ronald Kreilhuber, Peter Zindl | 2010-04-27 |